List of defunct social networking websites

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This is a list of defunct social networking websites.

Name Description/Focus Registered users Registration
43 Things Goal setting and achievement 12,914[1] Closed on 1 January 2015
Avatars United Online games 22,686,225[2] Open
Bolt Teen community website Open
Capazoo 230,000 Open
eConozco Bought by Xing Open
FitFinder Anonymous UK student microblogging website. 322,113[3] Open
Formspring Social Q&A website 290,000,000[4] Open
Hyves Social (Dutch) 10,300,000 Closed in 2013; the Telegraaf Media Group announced it would reform Hyves from a social network platform to an exclusive gaming platform. All users had the ability to download their social profile. On December 1, 2013 all the non-downloaded accounts were removed.
Jaiku Social networking, micro-blogging and lifestreaming service Bought by Google in 2007; closed in 2012
Mobli Social mobile photo and video-sharing website Shutdown in 2016
Mugshot Social network aggregator from Red Hat, with compatible desktop software and an official Firefox plugin Open
Orkut First Social networking site by Google Closed on September 30, 2014 [5]
Piczo A social networking and blogging website for teens; bought by Posh Media Group Shutdown in November 2012
PlanetAll Social network, calendar and address site founded in 1996 purchased by in 1998 but closed down in 2000 1,500,000 Shut down on July 2nd, 2000
Pownce Microblogging application (similar to Twitter) Open 230,000 Open to previous members A content sharing platform for millennials, made by Microsoft FUSE Labs.[6] Closed in March 2017
Surfbook Early Dutch social networking service which closed in 2004. Alleged inventor of the Like button.[7]
Windows Live Spaces Blogging (formerly MSN Spaces) 120,000,000[8] Shut down on March 16, 2011.
Yahoo! 360° Linked to Yahoo! IDs, closed everywhere except at Yahoo! Vietnam.[9] Open to people 18 and older (Yahoo! login)
Yahoo! Kickstart Linked to Yahoo! IDs. Connecting students & Alumni Open to students and alumni at specific colleges and universities (Yahoo! login)
Yahoo! Mash Linked to Yahoo! IDs. Closed. Open to people 18 and older (Yahoo! login)


  1. ^ Site Info Alexa. Retrieved 23 January 2014.
  2. ^ Alexa Traffic Details for 27 July 2011
  3. ^ Alexa Traffic Details for 23 May 2010
  4. ^ "Hackers release more than 420,000 Formspring passwords". BNO News. 11 July 2012. Retrieved 11 July 2012. 
  5. ^  Missing or empty |title= (help)
  6. ^ Trenholm, Richard (8 March 2017). "Microsoft closes social network". CNET. Retrieved 8 March 2017. 
  7. ^ BBC News - Facebook sued over 'like' button, February 11, 2013
  8. ^ Windows Live Spaces Fact Sheet - August 2006 Retrieved 3 May 2008
  9. ^ Yang Decides To Shut Down Yahoo360 - "Worldwide uniques were 10.5 million in october, 2007, but that was down 22 percent from the year before." -- TechCrunch: October 23, 2007